Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2022-21499 First vendor Publication 2022-06-09
Vendor Cve Last vendor Modification 2022-09-28

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 6.7
Base Score 6.7 Environmental Score 6.7
impact SubScore 5.9 Temporal Score 6.7
Exploitabality Sub Score 0.8
 
Attack Vector Local Attack Complexity Low
Privileges Required High User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21499

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1
Os 3

Sources (Detail)

Source Url
DEBIAN https://www.debian.org/security/2022/dsa-5161
MISC http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice...
https://git.kernel.org/linus/eadb2f47a3ced5c64b23b90fd2a3463f63726066

Alert History

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Date Informations
2022-09-29 00:27:57
  • Multiple Updates
2022-09-09 00:27:26
  • Multiple Updates
2022-08-30 21:27:23
  • Multiple Updates
2022-06-17 21:27:14
  • Multiple Updates
2022-06-13 17:27:11
  • Multiple Updates
2022-06-10 17:27:09
  • Multiple Updates
2022-06-10 00:27:08
  • First insertion